All grounds on the car are freshly checked and cleaned. I also checked ground continuity on the ECU with my multimeter. It grounds well.
The one that stumps me is the ATM sensor. As far as I know, that's physically on the Link board itself. Adam On Fri, Jun 10, 2011 at 12:15 PM, Bill Cardell <[email protected]> wrote: > I think I would be looking for the signal grounds those signals have in > common. > > > Bill Cardell > TurboDog's Dad > > Flyin' Miata <http://www.flyinmiata.com/> > HELP FLYIN' MIATA GO TO TARGA NEWFOUNDLAND! > <http://www.flyinmiata.com/projects/targa/index.php> > Targa Miata Facebook > page<http://www.facebook.com/pages/Flyin-Miatas-at-Targa-Newfoundland/144488045605566> > > FMWestfield <http://www.fmwestfield.com/> > > Sales 1-800-359-6957 > Tech 970-464-5600 Before you call, check out > http://www.flyinmiata.com/FAQ/ > > > ------------------------------ > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of *Adam Wolf > *Sent:* Friday, June 10, 2011 12:09 PM > *To:* Miata Power List > *Subject:* Link sensor readings erratic > > I've been having a problem with my Link (an Obiwan installed in a 95 NA > with a Boomslang adapter harness) for a while now. None of the readings on > the keypad are very stable. It started out with the water temperature > jumping 6 degrees several times per second (88,90,92,90,92,88,90,94,88, etc) > and now the rest of the sensors are following. I initially thought this was > just a bubble around my water temp sensor, but when ATM started doing the > same jump, I thought I'd send an email. Yeah, atmospheric. Just sitting on > my driveway ATM jumps from 81 to 86 and back a couple of times per second (I > live at 5500' in Albuquerque). That doesn't seem right. > > MAP is also quite jumpy. As a result of the MAP being unstable, I drive > along in T mode most of the time. Sometimes, it'll settle down to a 1 kpa > fluctuation and I can get L3 numbers on my keypad. But most of the time, I > get rapid 3-5 kpa jumps while cruising with a very steady foot. That puts me > in T mode. > > Suggestions anyone? It seems like a problem with the Link itself. Perhaps > there's a capacitor on the board somewhere that likes to give out? My ribbon > cable is in good shape and I never get garbage characters on the keypad. The > car itself never cuts out. I'm just getting very rapid fluctuations on the > sensors. The only sensor that seems to give a steady reading is the air temp > probe. > > Thanks, > > Adam >
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